undetectable
英 [ˌʌndɪˈtektəbl]
美 [ˌʌndɪˈtektəbl]
adj. 看不见的; 察觉不出的; 发现不了的
BNC.33908 / COCA.22327
牛津词典
adj.
- 看不见的；察觉不出的；发现不了的
impossible to see or find- The sound is virtually undetectable to the human ear.
这声音实际上是人耳难以听得到的。
- The sound is virtually undetectable to the human ear.
英英释义
adj
- barely able to be perceived
- the transition was almost indiscernible
- an almost insensible change
- not easily seen
双语例句
- Like a criminal he began to fashion in his own mind the undetectable crime.
好像一个罪犯，他开始通盘考虑这件不能为外人发现的罪行。 - The peak force and peak pressure greatly increased in some donor great toes, but distinctly decreased, even undetectable for some others.
部分供足砪趾的峰压力、峰压强异常增高，而另有部分供趾的则明显降低甚至缺失； - Polar Bears are nearly undetectable by infrared cameras, due to their transparent fur.
红外线摄像机几乎探测不到北极熊，因为它们的皮毛是透明的。 - Almost undetectable with even the most delicate instruments.
即使最精密的仪器都几乎无法察觉的。 - In recent years, scientists have demonstrated that subtle chemical variations in many foods, including honey undetectable to the tongue or the naked eye can give a strong indication of where it originated.
近年来，科学家已证明，在包括蜂蜜在内的许多食物中，通过舌头和肉眼均无法察觉的细微化学变化，可以充分表明其原产地是哪儿。 - The Caraway and liquorice compounds reached their peaks in the breast milk two hours after consumption, while the banana compound became undetectable after one hour.
香菜和甘草在乳汁中的含量在进食后2小时达到高峰，而香蕉化合物在1小时后就检测不到了。 - And the distance between driving a used Hyundai Elantra and a new Jaguar XJ is well nigh undetectable compared with the difference between motoring and hiking through the muck.
试想一下，开一辆二手的现代伊兰特与开一辆崭新的美洲豹XJ之间的差别，肯定没有开车与徒步跋涉烂泥滩之间的差别明显。 - The sweet smell of success might, in other words, actually be undetectable.
换句话说，胜利的甜蜜气味是无法觉察的。 - Seven out of eight patients who got the highest dose of the drug had undetectable levels of the virus.
八名患者中七名在服用最大剂量药物后探测不到病毒水平。 - Be careful to benchmark before making a decision on this basis: the overhead of Spring AOP proxying is all but undetectable in normal use.
在这个基础上做决定前要小心基准：SpringAOP代理的负载在通常使用中是无法觉察到的。